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  2. Cymbidium mosaic virus - Wikipedia

    en.wikipedia.org/wiki/Cymbidium_mosaic_virus

    It can be found in a wide variety of orchid genera [3] but does not infect plants other than orchids. [2] Once an orchid is infected, the virus spreads throughout the infected plant in a number of weeks. [4] Control measures may include sanitizing pruning equipment between plants. [4] There is an ELISA test available to test for presence of the ...

  3. Black rot on orchids - Wikipedia

    en.wikipedia.org/wiki/Black_rot_on_orchids

    An appressorium is formed and a penetration peg penetrates the leaf surface. [1] From there, hyphae grow throughout the leaf and infects all plant tissues. [1] While this pathogen enters through the leaf, the disease is caused by root rot that causes symptoms of foliar blight. The mycelium gives rise to chlamydospores and oospores. [1]

  4. Orchid fleck dichorhavirus - Wikipedia

    en.wikipedia.org/wiki/Orchid_fleck_dichorhavirus

    Orchid fleck dichorhavirus, commonly called Orchid fleck virus (OFV), is a non-enveloped, segmented, single-stranded (ss) RNA negative-strand virus, transmitted by the false spider mite, Brevipalpus californicus. OFV causes necrotic and chlorotic lesions on the leaves [1] of many genera in the family Orchidaceae.

  5. How to Prune Orchids to Keep Them Healthy and Flowering ... - AOL

    www.aol.com/prune-orchids-keep-them-healthy...

    These orchids grow flower spikes, leaves, and aerial roots from a single growth point on that stem. Phalaenopsis, or moth orchids , fall into this category, as do vanda orchids.

  6. Plant pathology - Wikipedia

    en.wikipedia.org/wiki/Plant_pathology

    Plant disease triangle. Epidemiology is the study of factors affecting the outbreak and spread of infectious diseases. [10] A disease triangle describes the basic factors required for plant diseases. These are the host plant, the pathogen, and the environment. Any one of these can be modified to control a disease. [11]

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  8. Stethopachys formosa - Wikipedia

    en.wikipedia.org/wiki/Stethopachys_formosa

    Stethopachys formosa, the orchid beetle or dendrobium beetle, is an Australian insect found in northern New South Wales, Northern Territory and Queensland. [2] They cannot survive in colder climates, and they do not appear in Southern states. [3] This insect feeds on the flowers and leaves of orchids, often causing damage to cultivated plants. [4]

  9. 4 lesser-known Lyme disease symptoms to be aware of - AOL

    www.aol.com/4-lesser-known-lyme-disease...

    About 30,000 cases of Lyme disease in the U.S. are reported to the Centers for Disease Control and Prevention by state and local health departments each year. However, the CDC says that many more ...